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  1. or download this
    perl -e 'print scalar (a..d),"\n"'  
1E0
  2. or download this
     perl -MO=Terse -e 'print scalar (a..d)'  
LISTOP (0x8982558) leave [1] 
...
                            SVOP (0x89828a0) const [4] PV (0x8960920) 
+"a" 
                            SVOP (0x89827e0) const [3] PV (0x897ee88) 
+"d" 
-e syntax OK